Display screen or portion therefor with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface showing a first embodiment of our new design; and,

FIG. 2 is a front view of a display screen or portion thereof with graphical user interface showing a second embodiment of our new design.

The broken lines showing the display screen or portion thereof with graphical user interface is provided for the purpose of illustrating environmental structure and forms no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 